Dental unit



FIG. 1 is a top and front perspective of a dental unit showing our new design;

FIG. 2 is a left side elevation thereof;

FIG. 3 is a top and left side perspective view thereof;

FIG. 4 is a right side perspective view thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings are included for the purpose of illustrating environment and form no part of the claimed design. 

The ornamental design for a dental unit, as shown and described. 